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Jana-Marie / Otter-Iron-PRO

USB-PD soldering station for JBC C245 handles.
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A question about OLED display #19

Closed snowman-andy-y closed 3 years ago

snowman-andy-y commented 3 years ago

Otter iron Pro is a great idea! I tried to make the PCB and verify it. At present, I only used Huawei mobile phone charger for testing. Unfortunately, it can't display normally: only random points are displayed on the display. I don't know my OLED monitor is compatible or not, I am asking the supplier to provide the manual. I noticed that Martin mentioned this situation in his question. But, I can't display it normally so far.

I also have a question about firmware. If I want to modify firmware, what kind of programming environment do I need? Maybe I have to modify the firmware code to display properly. IMG_20201213_133935

ElRoberto538 commented 3 years ago

Hi @snowman-andy-y, I have the same issue, try turning it on and off multiple times - mine only works about every 1 in 5-10 times I turn it on. It is a known issue - check here and scroll to known issues which shows soldering a 100nf capacitor from the LCD reset to ground helps. I haven't done this myself yet, so if you do, please let me know how it goes.

snowman-andy-y commented 3 years ago

Hi @snowman-andy-y, I have the same issue, try turning it on and off multiple times - mine only works about every 1 in 5-10 times I turn it on. It is a known issue - check here and scroll to known issues which shows soldering a 100nf capacitor from the LCD reset to ground helps. I haven't done this myself yet, so if you do, please let me know how it goes.

Thank you very much for your advice! It works! I added 100nF between OLED reset and GND, and the display works normally!